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    <title>Document</title>
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    <!-- 使用插件需要先引入插件 -->
    <script src="./lodash.min.js"></script>
    <script>
      const cai = {
        uname: '只因',
        age: 2.5,
        hobbit: ['sing', 'dance', 'rap', 'basketball'],
        fans: {
          uname: 'ikun',
          age: 9999,
          hobbit: ['smoke', 'drink', 'makeHairStyle'],
        },
      }

      const feng = _.cloneDeep(cai)

      feng.fans.hobbit[2] = '我很棒，我喜欢写代码'

      console.log(feng)
      console.log(cai)
    </script>
  </body>
</html>
